<template>
  <section>
    <!--工具条-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true">
        <el-form-item>
          <el-input v-model="keyword" placeholder="请输入文章名称"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="warning" v-on:click="keywordQuery">查询</el-button>
        </el-form-item>

        <el-form-item>
          <el-button type="primary" @click="handleAdd">新增</el-button>
        </el-form-item>

      </el-form>
    </el-col>

    <!--列表v-loading="listLoading"
    :data="tableDatas" -表格数据
    v-loading="listLoading" -> 加载圈
    @selection-change="handleSelectionChange" -> 批量删除
    highlight-current-row  -> 选择一行数据，变亮
    -->

    <el-table :data="tableDatas" v-loading="listLoading"
              @selection-change="handleSelectionChange" highlight-current-row
              style="width: 100%;" :row-key="SpreadPages">
      <!--多选框-->
      <el-table-column type="selection" width="55" :reserve-selection="true">
      </el-table-column>
      <el-table-column type="index" width="70" label="序号">
      </el-table-column>

      <el-table-column label="文章封面" width="140">
        <template scope="scope">
          <img :src="scope.row.articlePic" height="50"/>
        </template>
      </el-table-column>

      <el-table-column prop="articleName" label="文章名称" width="120" show-overflow-tooltip>
      </el-table-column>

      <el-table-column prop="articleTag" label="文章标签" width="120" show-overflow-tooltip>
      </el-table-column>

      <el-table-column label="文章状态" width="80">
        <template slot-scope="scope">
          <span v-if="scope.row.articleState == 0" style="color: red">草稿</span>
          <span v-else-if="scope.row.articleState == 1" style="color: green">发布</span>
          <span v-else="scope.row.articleState == 2" style="color: chocolate">弃用</span>
        </template>

      </el-table-column>

      <el-table-column label="是否置顶" width="120">
        <template v-slot:="scope">
          <span v-if="scope.row.topState == 1" style="color: green">置顶</span>
          <span v-else style="color: red">未置顶</span>
          <el-switch
              v-model="value"
              active-color="#13ce66"
              inactive-color="#ff4949">
          </el-switch>
        </template>
      </el-table-column>

      <el-table-column prop="tbuser.userName" label="作者" width="120"/>
      <el-table-column prop="tbarticleType.typeName" label="文章类型" width="120"/>
      <el-table-column prop="createTime" label="发布时间" width="160"/>
      <el-table-column prop="updateTime" label="修改时间" width="160"/>
      <el-table-column prop="articleRemark" label="文章简介" width="200" show-overflow-tooltip/>
      <el-table-column label="操作">
        <template scope="scope">
          <el-button size="small" @click="handleEdit(scope.row)">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>


    <!--工具条-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" :disabled="this.sels.length === 0" @click="handlePatchDel">批量删除</el-button>
      <el-pagination @size-change="handleSizeChange"
                     @current-change="handleCurrentChange"
                     :current-page="currentPage"
                     :page-sizes="[5, 10, 15]" :page-size="pageSize" layout="total, sizes, prev, pager, next, jumper"
                     background
                     :total="totals" style="float:right;">
      </el-pagination>
    </el-col>


    <!--添加或修改界面 -> 模态框-->
    <el-dialog :title="title" :visible.sync="saveFormVisible" :close-on-click-modal="false"
    >
      <el-form :model="saveForm" label-width="80px" :rules="saveFormRules" ref="saveForm">

        <el-form-item label="文章封面">
          <el-upload class="upload-demo"
                     action="http://localhost:8080/minio"
                     name="file"
                     :on-remove="handleRemove"
                     :on-success="handleSuccess"
                     :on-exceed="exceed"
                     :file-list="fileList"
                     :limit=1
                     accept=".jpg,.jpeg,.png,.gif"
                     list-type="picture">
            <el-button size="small" type="primary">点击上传</el-button>
            <div slot="tip" class="el-upload__tip">只能上传指定类型的图片</div>
          </el-upload>
        </el-form-item>

        <el-form-item label="文章名称" prop="articleName">
          <el-input v-model="saveForm.articleName" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="文章标签" prop="articleTag">
          <el-input v-model="saveForm.articleTag" auto-complete="off"></el-input>
        </el-form-item>

        <el-form-item label="文章类型">
          <template>
            <el-select v-model="saveForm.articleType" placeholder="请选择文章类型">
              <el-option
                  v-for="item in articleTypes"
                  :label="item.typeName"
                  :value="item.id">
                <span style="float: left">{{ item.typeName }}</span>
              </el-option>
            </el-select>
          </template>
        </el-form-item>


        <el-form-item label="文章状态">
          <template>
            <el-radio v-model="saveForm.articleState" :label="0">草稿</el-radio>
            <el-radio v-model="saveForm.articleState" :label="1">发布</el-radio>
            <el-radio v-model="saveForm.articleState" :label="2">弃用</el-radio>
          </template>
        </el-form-item>

        <el-form-item label="是否置顶">
          <template>
            <el-radio v-model="saveForm.topState" :label="0">不置顶</el-radio>
            <el-radio v-model="saveForm.topState" :label="1">置顶</el-radio>
          </template>
        </el-form-item>

        <el-form-item label="文章简介">
          <el-input type="textarea" v-model="saveForm.articleRemark" auto-complete="off"></el-input>
        </el-form-item>

        <el-form-item label="文章内容">

          <div class="edit_container">
            <quill-editor v-model="saveForm.articleContent"
                          :options="editorOption">
            </quill-editor>
          </div>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="saveFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="saveSubmit">提交</el-button>
      </div>
    </el-dialog>
  </section>
</template>

<script>


//引入Vue的ueditor的资源
import {quillEditor} from "vue-quill-editor"; //调用编辑器
import 'quill/dist/quill.core.css';
import 'quill/dist/quill.snow.css';
import 'quill/dist/quill.bubble.css';
import row from "element-ui/packages/row";
import log from "../system/Log.vue";
// 富文本编辑 ->工具栏配置
const toolbarOptions = [
  ["bold", "italic", "underline", "strike"], // 加粗 斜体 下划线 删除线 -----['bold', 'italic', 'underline', 'strike']
  ["blockquote", "code-block"], // 引用  代码块-----['blockquote', 'code-block']
  [{header: 1}, {header: 2}], // 1、2 级标题-----[{ header: 1 }, { header: 2 }]
  [{list: "ordered"}, {list: "bullet"}], // 有序、无序列表-----[{ list: 'ordered' }, { list: 'bullet' }]
  [{script: "sub"}, {script: "super"}], // 上标/下标-----[{ script: 'sub' }, { script: 'super' }]
  [{indent: "-1"}, {indent: "+1"}], // 缩进-----[{ indent: '-1' }, { indent: '+1' }]
  [{direction: "rtl"}], // 文本方向-----[{'direction': 'rtl'}]
  [{size: ["small", false, "large", "huge"]}], // 字体大小-----[{ size: ['small', false, 'large', 'huge'] }]
  [{header: [1, 2, 3, 4, 5, 6, false]}], // 标题-----[{ header: [1, 2, 3, 4, 5, 6, false] }]
  [{color: []}, {background: []}], // 字体颜色、字体背景颜色-----[{ color: [] }, { background: [] }]
  [{font: []}], // 字体种类-----[{ font: [] }]
  [{align: []}], // 对齐方式-----[{ align: [] }]
  ["clean"], // 清除文本格式-----['clean']
  ["image", "link"] // 链接、图片、视频-----['link', 'image', 'video']
];

export default {
  //富文本
  components: {
    quillEditor
  },

  data() {
    return {
      //1.分页查询相关数据
      totals: 0,//总记录条数
      currentPage: 1,//当前页,要传递到后台的
      pageSize: 5, //每页显示多少条
      tableDatas: [], //当前页数据

      listLoading: false, //加载圈

      title: '',//动态改变添加数据或者编辑数据

      articleTypes: [],//select选择器 获取文章类型

      //2.高级查询相关数据
      keyword: '',

      value:false,

      //4.批量删除相关数据
      sels: [], //存储多选记录

      //5.添加和修改相关数据
      saveFormVisible: false,
      saveForm: {
        id: null,
        articlePic: '',
        articleName: '',
        articleTag: '',
        articleType: '',
        articleState: '',
        topState: '',
        publishId: '',
        articleRemark: '',
        articleContent: '',
      },

      //6.添加和修改校验规则-表单项校验
      saveFormRules: {
        articleName: [
          {required: true, message: '请输入文章名称', trigger: 'blur'}
        ],
        articleTag: [
          {required: true, message: '请输入文章标签', trigger: 'blur'}
        ]
      },

      //富文本编辑器配置
      editorOption: {
        modules: {
          //工具栏定义的
          toolbar: toolbarOptions
        },
        //主题
        theme: "snow",
        placeholder: "请开始书写您的博客内容..."
      },
      //上传文件列表
      fileList: [],
    }
  },
  methods: {

    //跨页操作
    SpreadPages(row){
      return row.id
    },

    //获取tb_article_type表中文章类型名称
    getArticleTypes() {
      this.$http.get("/articleType").then(result => {
        this.articleTypes = result.data
      })
    },

    //1.分页查询相关方法
    //1.1.获取列表数据
    getTableData() {
      this.listLoading = true //开启加载圈
      var params = {
        "currentPage": this.currentPage, //点击的当前第几页
        "pageSize": this.pageSize,   //当前页需要显示多少条数据
        "keyword": this.keyword    //模糊查询 ->关键字
      }
      this.$http.post("/article", params).then(request => {
        //接收参数添加到表格中(tableDatas),request.data ->固定写法
        this.tableDatas = request.data.list
        this.totals = request.data.total
        this.listLoading = false //关闭加载圈
      })
    },
    //1.2.选择第几页时触发
    handleCurrentChange(currentPage) {
      this.currentPage = currentPage //1 -> 2
      this.getTableData()
    },
    //1.3.选择每页显示记录条数时触发
    handleSizeChange(pageSize) {
      this.pageSize = pageSize
      this.getTableData()
    },

    //2.高级查询相关方法
    keywordQuery() {
      this.currentPage = 1; //从第一页开始查询
      this.getTableData();
    },

    //3.删除相关方法
    //row -> 当前行对象 获取一行数据
    handleDel(row) {
      this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.$http.delete("/article/" + row.id,).then(res => {

          //点击一条数据删除minio中的图片。
          let fileNameArticlePic = row.articlePic.substring(row.articlePic.lastIndexOf("/") + 1)
          this.$http.delete("/minio/" + fileNameArticlePic).then(res => {
            if (res.data.success) {
              this.$message.success("minio中的文件删除成功");
            } else {
              this.$message.error("minio中的文件删除失败");
            }
          })

          if (res.data.success) {
            this.$message.success("操作删除成功")
            this.getTableData()
          } else {
            this.$message.error("服务器异常，删除失败")
          }
        }).catch(res => {
          this.$message.error("网络异常，请查看您的网络")
        })
      }).catch(() => {
        this.$message.error("已取消删除")
      });
    },

    //4.批量删除相关方法
    //4.1.选项改变时触发
    handleSelectionChange(val) {
      this.sels = val
    },

    //4.2.批量删除
    handlePatchDel() {
      this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        let ids = this.sels.map(obj => obj.id)//获取批量删除对象的id，组成数组。
        let articlePics = this.sels.map(obj => obj.articlePic)
        this.$http.patch("/article", ids).then(res => {
          if (res.data.success) {
            this.$message.success("操作批量删除成功")
            this.getTableData()
            //批量删除minio中文章的封面
            this.$http.patch("/minio",articlePics).then(res=>{
              if (res.data.success){
                this.$message.success("批量删除minio的封面成功")
              }else {
                this.$message.error(res.data.message)
              }
            })

          } else {
            this.$message.error("服务器异常，批量删除失败")
          }
        }).catch(res => {
          this.$message.error("网络异常，请查看您的网络")
        })
      }).catch(() => {
        this.$message.error("已取消批量删除")
      });
    },

    //5.添加和修改相关方法
    //5.1.点击添加弹出对话框
    handleAdd() {
      this.title = "添加数据"
      this.saveFormVisible = true //打开模态框
      this.saveForm = {
        id: null,
        articlePic: '',
        articleName: '',
        articleTag: '',
        articleType: '',
        articleState: 0,
        topState: 0,
        publishId: '',
        articleRemark: '',
        articleContent: '',
      }
      //获取所有的文章类型
      this.getArticleTypes()
      this.fileList = [] //清空存储图片文件
      this.$refs.saveForm.resetFields()//清除模态框表单项校验提示
      //this.$refs["saveForm"].clearValidate();  //清除模态框表单项校验提示
    },
    //5.2.点击修改弹出对话框
    handleEdit(row) {
      this.title = "编辑数据"
      this.saveFormVisible = true  //打开模态框
      this.saveForm = Object.assign({}, row) //回显数据;
      this.fileList = []
      if (this.saveForm.articlePic) {
        this.fileList.push({'url': this.saveForm.articlePic})
      }

      //获取所有的文章类型 下拉框
      this.getArticleTypes()
      this.$refs.saveForm.resetFields()//清除模态框表单项校验提示
      //this.$refs["saveForm"].clearValidate();  //清除模态框表单项校验提示
    },
    //5.3.提交表单数据操作数据库
    saveSubmit() {
      this.$refs.saveForm.validate((valid) => {
        if (valid) {
          this.$http.put("/article", this.saveForm).then(res => {
            if (res.data.success) {
              this.$message.success("操作" + this.title + "成功")
              this.getTableData()
              this.saveFormVisible = false
            } else {
              this.$message.error("服务器异常" + this.title + "未成功")
              this.saveFormVisible = false
            }
          }).catch(res => {
            this.$message.error("网络异常，请查看您的网络")
          })
        } else {
          this.$message.error("您有必须填写的数据未填写")
        }
      })
    },

    //删除之后的钩子
    handleRemove(file) {
      //点击删除的时候要获取文件名称，然后调用后端的删除接口
      var fileName = file.url.substring(file.url.lastIndexOf("/") +1 )
      this.$http.delete("/minio/" + fileName).then(res => {
        if (res.data.success) {
          this.$message.success("删除成功");
          this.fileList = [];
          this.saveForm.articlePic = '';
        } else {
          this.$message.error("删除失败");
        }
      })
    },
    //上传成功之后的钩子
    handleSuccess(response, file, fileList) {
      //上传成功之后将文件名获取出来，拼接上minio的地址 给 articlePic复制
      this.saveForm.articlePic = "http://60.204.187.34:9090/java1210/" + response.obj;
      if (this.saveForm.articlePic) {
        this.fileList.push({'name': response.obj, 'url': "http://60.204.187.34:9090/java1210/" + response.obj})
      }
    },
    //超出个数之后的钩子
    exceed() {
      this.$message.error("最多只能上传一个文件")
    },

  },

  mounted() {
    this.getTableData();
  }
}

</script>

<style scoped></style>
